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CrashStats

A103 accidents: crash map and statistics

Police recorded 3,184 collisions on the A103 from 1979 to 2025, with 3,549 casualties. Of those crashes, 16 were fatal and 470 serious, and 16 people were killed.

In 2025 there were 38 collisions on the A103, up 3% from 37 in 2024, with 42 casualties.

Collisions since 1979
3,184
362nd highest of 4,923 roads
Casualties
3,549
1.11 per collision
Fatal collisions
16
16 people killed
Serious collisions
470
485 seriously injured
Collisions in 2025
38
Up 3% on 2024
Casualties in 2025
42
Up 11% on 2024

Crash severity on the A103

On the A103, 0.5% of collisions were fatal and 15% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal160.5%
  • Serious47015%
  • Slight2,69885%

Where the A103 ranks among 4,923 roads

Most collisions
362nd
Most casualties
443rd
Most fatal collisions
1,181st
Most serious collisions
456th

A103 accidents by year

Collisions on the A103 peaked at 119 in 1985 and were down to 38 in 2025.

Collisions and casualties on the A103, 1979 to 2025

  • Collisions
  • Collisions in 2025: 38
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253842
20243738
20233642
20225864
20213541
20203939
20194346
20183236
20175973
20164448
20155664
20144653
20135460
20123743
20116273
20105364
20097080
20083645
20073642
20064854
20054751
20045559
20036983
20026070
20017981
20008185
19997888
199898106
19977688
19967277
19957889
19946972
19938188
19928693
19918088
19908387
19899198
19888593
198790102
19868489
1985119133
198499106
19838898
198289102
1981100106
1980113141
1979115129

When crashes happen on the A103

Friday has the most collisions on the A103 (519), and 3pm to 6pm is the busiest time of day (757).

Collisions by day of the week

  • Monday466 (15%)
  • Tuesday506 (16%)
  • Wednesday471 (15%)
  • Thursday508 (16%)
  • Friday519 (16%)
  • Saturday424 (13%)
  • Sunday290 (9.1%)

Collisions by time of day

  • Midnight to 3am123 (3.9%)
  • 3am to 6am60 (1.9%)
  • 6am to 9am320 (10%)
  • 9am to noon432 (14%)
  • Noon to 3pm543 (17%)
  • 3pm to 6pm757 (24%)
  • 6pm to 9pm561 (18%)
  • 9pm to midnight388 (12%)

Collisions by month

  • January234 (7.3%)
  • February224 (7%)
  • March261 (8.2%)
  • April258 (8.1%)
  • May278 (8.7%)
  • June280 (8.8%)
  • July280 (8.8%)
  • August231 (7.3%)
  • September266 (8.4%)
  • October320 (10%)
  • November302 (9.5%)
  • December250 (7.9%)

Light conditions at the time

  • Daylight2,178 (68%)
  • Dark, street lights lit968 (30%)
  • Dark, lighting unknown30 (0.9%)
  • Dark, street lights unlit7 (0.2%)
  • Dark, no street lighting1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A103 crashes

On the A103, 89% of collisions happened where the speed limit was 30 mph and 78% on a dry road surface.

Speed limit at the scene

  • 20 mph360 (11%)
  • 30 mph2,821 (89%)
  • 40 mph1 (under 0.1%)
  • 50 mph1 (under 0.1%)
  • 60 mph1 (under 0.1%)

Weather at the time

  • Fine, no high winds2,363 (74%)
  • Raining, no high winds386 (12%)
  • Fine with high winds17 (0.5%)
  • Raining with high winds11 (0.3%)
  • Other341 (11%)
  • Not recorded66 (2.1%)

Road surface

  • Dry2,487 (78%)
  • Wet or damp637 (20%)
  • Frost or ice18 (0.6%)
  • Snow9 (0.3%)
  • Not recorded33 (1%)

Type of road

  • Single carriageway2,608 (82%)
  • One way street or slip road206 (6.5%)
  • Dual carriageway93 (2.9%)
  • Roundabout71 (2.2%)
  • Not recorded206 (6.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A103 crashes

Pedestrians make up 30% of the people killed or injured on the A103, followed by car occupants (28%).

Casualties by road user

  • Pedestrian1,056 (30%)
  • Car occupant1,002 (28%)
  • Motorcyclist692 (19%)
  • Cyclist483 (14%)
  • Bus or coach occupant187 (5.3%)
  • Van occupant69 (1.9%)
  • Other59 (1.7%)
  • Not recorded1 (under 0.1%)

Vehicles involved

  • Car3,167 (60%)
  • Motorcycle776 (15%)
  • Pedal cycle497 (9.5%)
  • Van or goods vehicle up to 3.5 tonnes354 (6.7%)
  • Bus or coach260 (5%)
  • Goods vehicle over 3.5 tonnes78 (1.5%)
  • Other114 (2.2%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 565 (1.8%)
  • 6 to 10131 (3.7%)
  • 11 to 15166 (4.7%)
  • 16 to 20323 (9.1%)
  • 21 to 25502 (14%)
  • 26 to 35841 (24%)
  • 36 to 45525 (15%)
  • 46 to 55354 (10%)
  • 56 to 65215 (6.1%)
  • 66 to 75110 (3.1%)
  • Over 7576 (2.1%)
  • Not recorded241 (6.8%)

Drivers, passengers and pedestrians

  • Driver or rider1,911 (54%)
  • Pedestrian1,056 (30%)
  • Passenger582 (16%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A103

Map of the 25 most recent crashes on the A103

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A103 crashes by council area

Collisions on the A103 were recorded in 3 council areas. Islington has the most, with 1,927, followed by Haringey (1,252) and Enfield (4).

Collisions on the A103 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stIslington1,9272,16012301
2ndHaringey1,2521,3824169
3rdEnfield4500

A103 crashes by town

Collisions on the A103 were recorded in 2 towns and built-up areas, led by Islington (1,723) and Haringey (1,123).

Recent crashes on the A103

These are the 25 most recent collisions on the A103, from 16 May to 18 December 2025.

Severity